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authormidipix <writeonce@midipix.org>2016-06-28 15:42:54 -0400
committermidipix <writeonce@midipix.org>2016-06-28 19:46:41 -0400
commita2ea1bdf70166f887457b5462332d2df4f6f54c5 (patch)
tree4ab3559d0e526fc7df2d59edcaec53ccf277430c /src
parent964eed7331c807e553ec42637151fda21b5495d9 (diff)
downloadntapi-a2ea1bdf70166f887457b5462332d2df4f6f54c5.tar.bz2
ntapi-a2ea1bdf70166f887457b5462332d2df4f6f54c5.tar.xz
string functions: added __ntapi_tt_strncmp_utf16().
Diffstat (limited to 'src')
-rw-r--r--src/internal/ntapi.c1
-rw-r--r--src/internal/ntapi_fnapi.h1
-rw-r--r--src/string/ntapi_tt_strncmp_utf16.c22
3 files changed, 24 insertions, 0 deletions
diff --git a/src/internal/ntapi.c b/src/internal/ntapi.c
index c71aeb5..b77cdd5 100644
--- a/src/internal/ntapi.c
+++ b/src/internal/ntapi.c
@@ -170,6 +170,7 @@ static int32_t __fastcall __ntapi_init_once(ntapi_vtbl ** pvtbl)
__ntapi->tt_strcmp_multibyte = __ntapi_tt_strcmp_multibyte;
__ntapi->tt_strcmp_utf16 = __ntapi_tt_strcmp_utf16;
__ntapi->tt_strncmp_multibyte = __ntapi_tt_strncmp_multibyte;
+ __ntapi->tt_strncmp_utf16 = __ntapi_tt_strncmp_utf16;
__ntapi->strlen = __ntapi_tt_string_null_offset_multibyte;
__ntapi->wcslen = __ntapi_wcslen;
__ntapi->tt_aligned_block_memset = __ntapi_tt_aligned_block_memset;
diff --git a/src/internal/ntapi_fnapi.h b/src/internal/ntapi_fnapi.h
index 684f12a..9ded75a 100644
--- a/src/internal/ntapi_fnapi.h
+++ b/src/internal/ntapi_fnapi.h
@@ -56,6 +56,7 @@ ntapi_tt_string_null_offset_ptrsize __ntapi_tt_string_null_offset_ptrsize;
ntapi_tt_strcmp_multibyte __ntapi_tt_strcmp_multibyte;
ntapi_tt_strcmp_utf16 __ntapi_tt_strcmp_utf16;
ntapi_tt_strncmp_multibyte __ntapi_tt_strncmp_multibyte;
+ntapi_tt_strncmp_utf16 __ntapi_tt_strncmp_utf16;
ntapi_wcslen __ntapi_wcslen;
ntapi_tt_aligned_block_memset __ntapi_tt_aligned_block_memset;
ntapi_tt_aligned_block_memcpy __ntapi_tt_aligned_block_memcpy;
diff --git a/src/string/ntapi_tt_strncmp_utf16.c b/src/string/ntapi_tt_strncmp_utf16.c
new file mode 100644
index 0000000..ddac803
--- /dev/null
+++ b/src/string/ntapi_tt_strncmp_utf16.c
@@ -0,0 +1,22 @@
+/********************************************************/
+/* ntapi: Native API core library */
+/* Copyright (C) 2013--2016 Z. Gilboa */
+/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
+/********************************************************/
+
+#include <psxtypes/psxtypes.h>
+#include <ntapi/nt_string.h>
+
+int __cdecl __ntapi_tt_strncmp_utf16(
+ __in const wchar16_t * a,
+ __in const wchar16_t * b,
+ __in size_t n)
+{
+ if ((n /= sizeof(wchar16_t)) == 0)
+ return 0;
+
+ for (--n; n && (*a == *b) && *a; a++, b++)
+ n--;
+
+ return (int)*a - (int)*b;
+}